<html xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
      layout:decorator="layout">
<head>
    <title>My blog</title>
</head>
<body >
<section layout:fragment="content">
    <p>This is a paragraph from content page 1</p>
    <a  href="login" >登陆</a>
</section>

</body>
</html>